From b7219e53bcd54d874f85c67469f4c1dd4f2ad5d2 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 30 Jan 2009 20:30:46 +0000 Subject: [BZ #9726] 2009-01-11 Ryan S. Arnold [BZ #9726] * sysdeps/powerpc/fpu/tst-setcontext-fpscr.c (_SET_DI_FPSCR, _SET_SI_FPSCR): Clobber fp0 to prevent erroneous test-case passes. 2009-01-08 Ryan S. Arnold [BZ #9726] * sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S (__CONTEXT_FUNC_NAME): Fix mtfsf to use fp31 instead of fp0. * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S (__CONTEXT_FUNC_NAME): Fix mtfsf to use fp31 instead of fp0. --- sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S') diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S index 91ac4366c0..d83a0ef28d 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S @@ -1,5 +1,5 @@ /* Jump to a new context powerpc32 common. - Copyright (C) 2005, 2006, 2008 Free Software Foundation, Inc. + Copyright (C) 2005, 2006, 2008, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -18,13 +18,13 @@ 02110-1301 USA. */ /* This is the common implementation of setcontext for powerpc32. - It not complete in itself should be included in to a framework that + It not complete in itself should be included in to a framework that defines: __CONTEXT_FUNC_NAME and if appropriate: __CONTEXT_ENABLE_FPRS __CONTEXT_ENABLE_VRS - Any archecture that implements the Vector unit is assumed to also + Any archecture that implements the Vector unit is assumed to also implement the floating unit. */ /* Stack frame offsets. */ @@ -202,7 +202,7 @@ ENTRY(__CONTEXT_FUNC_NAME) lfd fp0,_UC_FREGS+(0*8)(r31) # ifdef _ARCH_PWR6 /* Use the extended four-operand version of the mtfsf insn. */ - mtfsf 0xff,fp0,1,0 + mtfsf 0xff,fp31,1,0 # else /* Availability of DFP indicates a 64-bit FPSCR. */ andi. r6,r7,PPC_FEATURE_HAS_DFP @@ -304,4 +304,3 @@ ENTRY(__CONTEXT_FUNC_NAME) /* NOTREACHED */ END (__CONTEXT_FUNC_NAME) - -- cgit 1.4.1